VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, November 20, 2025

Tool Comparison

InsideArbitrage vs InsiderScore (VerityData | InsiderScore) comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

InsideArbitrage adds News, Calendar, Acquisitions, Spin-offs, Dividends, Splits, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Blogs, Newsletters, Videos, Playbooks & Case Studies, and PDF Annotation coverage that InsiderScore (VerityData | InsiderScore) skips.

InsiderScore (VerityData | InsiderScore) includes Secondary Offerings, Data APIs, and Flags categories that InsideArbitrage omits.

InsideArbitrage has a free tier, while InsiderScore (VerityData | InsiderScore) requires a paid plan.

In depth comparison

InsideArbitrage

insidearbitrage.com

Event‑driven research platform by Asif Suria focused on merger arbitrage, insider transactions, spinoffs, buybacks, activists, and related special situations. Premium includes tools like the Merger Arbitrage Tool, CVR database, buyback & spinoff trackers, premium screens (IA Score, cluster buys, ‘double dipper’), ‘Deals‑in‑the‑Works’ and deal calendars. IA Professional adds pro‑only features (e.g., CVR outcomes, activist tracker, reverse‑splits tracker, Insider Performance Score) and multi‑seat licensing.

Platforms

Web

Pricing

FreeSubscription

Quick highlights

Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.
Gurus/Institutional holdings pages aggregating 13F/13D/13G and Form 4 into manager dashboards.

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InsiderScore (VerityData | InsiderScore)

insiderscore.com

Institutional‑grade datasets and research on insider transactions (Form 4), stock buybacks/authorizations, management changes, and institutional holdings (13F/13D/13G). InsiderScore is now part of Verity’s VerityData suite. Delivery via web platform, REST API, and multiple production feeds (point‑in‑time variants available).

Platforms

WebAPI

Pricing

Subscription

Quick highlights

Cleaned & context‑rich Form 4 dataset (history back to 2003/2004) with analyst review, 10b5‑1 plan tagging, and noise reduction (e.g., RSU/tax‑related sales).
Comprehensive buyback database (plans & quarterly repurchases) since 2004, including ASRs, tender offers, Dutch auctions, and NCIBs; PIT feeds provided.
Institutional holdings feeds covering 13F, 13D, and 13G (PIT and historical), with instrument typing (e.g., common, ETFs, calls/puts, debt) and event flags.
Management Changes database (CEO/CFO/Board and key officers) with ~40 fields per event and PDF report generation.
‘Unusual Event’ composite signals (e.g., buyback at low price with insider buying) for long/short idea generation.

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Where they differ

InsideArbitrage

Distinct strengths include:

News Calendar Acquisitions Spin-offs Dividends Splits Regulatory Filings Monitoring Screeners

Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems.
Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map.
Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks).
Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes.

InsiderScore (VerityData | InsiderScore)

Distinct strengths include:

Secondary Offerings Data APIs Flags

Cleaned & context‑rich Form 4 dataset (history back to 2003/2004) with analyst review, 10b5‑1 plan tagging, and noise reduction (e.g., RSU/tax‑related sales).
Comprehensive buyback database (plans & quarterly repurchases) since 2004, including ASRs, tender offers, Dutch auctions, and NCIBs; PIT feeds provided.
Institutional holdings feeds covering 13F, 13D, and 13G (PIT and historical), with instrument typing (e.g., common, ETFs, calls/puts, debt) and event flags.
Management Changes database (CEO/CFO/Board and key officers) with ~40 fields per event and PDF report generation.

Feature-by-feature breakdown

Attribute	InsideArbitrage	InsiderScore (VerityData \| InsiderScore)
Categories Which research workflows each platform targets	Shared: Alerts, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, Watchlist Unique: News, Calendar, Acquisitions, Spin-offs, Dividends, Splits, Regulatory Filings Monitoring, Screeners, Data Visualizations, Portfolio, Blogs, Newsletters, Videos, Playbooks & Case Studies, PDF Annotation	Shared: Alerts, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, Watchlist Unique: Secondary Offerings, Data APIs, Flags
Asset types Supported asset classes and universes	Stocks, ETFs	Stocks, ETFs, Options, Bonds
Experience levels Who each product is built for	Beginner, Intermediate, Advanced	Intermediate, Advanced
Platforms Where you can access the product	Web	Web, API
Pricing High-level pricing models	Free, Subscription	Subscription
Key features Core capabilities called out by each vendor	Unique Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems. Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map. Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks). Spinoff suite: upcoming/completed spinoffs and ‘Spinsider’ screen; CVR deals database with outcomes. Gurus/Institutional holdings pages aggregating 13F/13D/13G and Form 4 into manager dashboards. Event‑driven monitor & M&A news feed; earnings calendar; tender‑offers tracker; activist‑campaign tracker; C‑suite transitions tool.	Unique Cleaned & context‑rich Form 4 dataset (history back to 2003/2004) with analyst review, 10b5‑1 plan tagging, and noise reduction (e.g., RSU/tax‑related sales). Comprehensive buyback database (plans & quarterly repurchases) since 2004, including ASRs, tender offers, Dutch auctions, and NCIBs; PIT feeds provided. Institutional holdings feeds covering 13F, 13D, and 13G (PIT and historical), with instrument typing (e.g., common, ETFs, calls/puts, debt) and event flags. Management Changes database (CEO/CFO/Board and key officers) with ~40 fields per event and PDF report generation. ‘Unusual Event’ composite signals (e.g., buyback at low price with insider buying) for long/short idea generation. VerityData API to query processed & unprocessed SEC filings; plus CSV/pipe‑delimited feed delivery.
Tested Verified by hands-on testing inside Find My Moat	Not yet	Not yet
Editor pick Featured inside curated shortlists	Standard listing	Standard listing

Frequently Asked Questions

Which workflows do InsideArbitrage and InsiderScore (VerityData | InsiderScore) both support?

Both platforms cover Alerts, Buybacks & Authorizations, Insider Data, Institutional Data, 13F, 13D/13G, and Watchlist workflows, so you can research those use cases in either tool before digging into the feature differences below.

Which tool offers a free plan?

InsideArbitrage offers a free entry point, while InsiderScore (VerityData | InsiderScore) requires a paid subscription. Review the pricing table to see how the paid tiers compare.

How can you access InsideArbitrage and InsiderScore (VerityData | InsiderScore)?

Both InsideArbitrage and InsiderScore (VerityData | InsiderScore) prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

InsideArbitrage differentiates itself with Merger Arbitrage Tool with announced‑deal lists, spread tracking, calendars and deal updates; ‘Deals in the Works’ and deal post‑mortems., Insider data hub with ‘Insider Weekends’, cluster buys, buys near highs, flip‑floppers, top‑performing insiders and sector heat‑map., and Buyback suite: daily buyback announcements, searchable buyback history, ‘Buyback Wednesdays’, and ‘Double Dipper’ (insiders + buybacks)., whereas InsiderScore (VerityData | InsiderScore) stands out for Cleaned & context‑rich Form 4 dataset (history back to 2003/2004) with analyst review, 10b5‑1 plan tagging, and noise reduction (e.g., RSU/tax‑related sales)., Comprehensive buyback database (plans & quarterly repurchases) since 2004, including ASRs, tender offers, Dutch auctions, and NCIBs; PIT feeds provided., and Institutional holdings feeds covering 13F, 13D, and 13G (PIT and historical), with instrument typing (e.g., common, ETFs, calls/puts, debt) and event flags..

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